sennr SENNR-6018-D Underground pipeline Detector

SENNR-6018-D underground pipeline Detector integrates ultra-narrow band filter, Bluetooth wireless communication, GPS positioning, professional Data analysis software automatic mapping, automatic detection report generation and other professional technologies, SENNR-6018-D positioning Frequency 8, Frequency 512, 1K, 33K, 65K, 83K, Passive Frequency 50Hz100Hz radio.